On 5/19/2016 1:27 PM, JAMES HANLON wrote:
Y'all,
I've taken on the job of talking to the Albuquerque Hamfest this coming August
about significant advances in amateur radio technology from the beginning of
radio, Marconi 1894, to the present. I'm up to the early 70s so far and I have
just added the advent of Solid State Transceivers to the list, using the 505
Argonaut and the Triton I and Triton II as examples. I'm a little fuzzy on
things more modern than that. Obviously I should include things like digital
modes and software-defined radios. What would you folks suggest I should
include, and can you cite any Ten-Tec or other gear that would illustrate the
particular advance?
Thanks a lot for your help.
Jim, W8KGI
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Jim,
Looking back through the years, after solid state radios, the next big
step was phase-lock loop circuits. After phase lock loop circuits the
next big step was DSP, digital signal processing. With DSP you could
break that into sections with AF signal processing and IF signal processing.
Does this answer your question?
Let me know if I can help, 73'S
KA5SIW
> James B. Boswell JBoswell@NRAO.edu
> VLA Engineering Services Office: 575 835-7427
> National Radio Astronomy Observatory C.Phone 505 412-3732
> Post Office Box 0
> 1003 Lopezville Road
> Socorro, New Mexico 87801
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